n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 18 |
5 | 36 |
6 | 75 |
7 | 145 |
8 | 300 |
9 | 579 |
10 | 1213 |
11 | 2334 |
12 | 4804 |
13 | 9273 |
14 | 19410 |
15 | 37348 |
16 | 76883 |
17 | 148393 |
18 | 310532 |
19 | 597627 |
20 | 1230097 |
21 | 2374372 |
22 | 4968531 |
23 | 9561889 |
24 | 19681356 |
25 | 37990195 |
26 | 79496909 |
27 | 152990002 |
28 | 314902220 |
29 | 607844659 |
30 | 1271953101 |
31 | 2447845682 |
32 | 5038429900 |
33 | 9725511987 |
[1,2,4,9,18,36,75,145,300,579,1213,2334,4804,9273, 19410,37348,76883,148393,310532,597627,1230097, 2374372,4968531,9561889,19681356,37990195, 79496909,152990002,314902220,607844659,1271953101, 2447845682,5038429900,9725511987] |